Here is a really cool video on the Interurban system that existed in Indiana back in the 40's. Sorry I got it off of Facebook so not sure if those who don't have an accountant are able to view this or not. I tried to find it on youtube but was not able to.
https://www.facebook.com/video.php?v=10203458997304231
https://www.facebook.com/video.php?v=10203458997304231